diff --git a/spec/unit/link_to_spec.rb b/spec/unit/link_to_spec.rb
index 81b2626..b454936 100644
--- a/spec/unit/link_to_spec.rb
+++ b/spec/unit/link_to_spec.rb
@@ -2,17 +2,17 @@
 
 RSpec.describe TTY::Link, "#link_to" do
   it "creates a terminal link" do
-    allow(TTY::Link).to receive(:support_link?).and_return(true)
+    allow(described_class).to receive(:support_link?).and_return(true)
 
-    link = TTY::Link.link_to("TTY Toolkit", "https://ttytoolkit.org")
+    link = described_class.link_to("TTY Toolkit", "https://ttytoolkit.org")
 
     expect(link).to eql("\e]8;;https://ttytoolkit.org\aTTY Toolkit\e]8;;\a")
   end
 
   it "fails to create a terminal link" do
-    allow(TTY::Link).to receive(:support_link?).and_return(false)
+    allow(described_class).to receive(:support_link?).and_return(false)
 
-    link = TTY::Link.link_to("TTY Toolkit", "https://ttytoolkit.org")
+    link = described_class.link_to("TTY Toolkit", "https://ttytoolkit.org")
 
     expect(link).to eql("TTY Toolkit -> https://ttytoolkit.org")
   end
diff --git a/spec/unit/parse_version_spec.rb b/spec/unit/parse_version_spec.rb
index c33f943..a806171 100644
--- a/spec/unit/parse_version_spec.rb
+++ b/spec/unit/parse_version_spec.rb
@@ -7,7 +7,7 @@
     {from: "0.51.0", to: {major: 0, minor: 51, patch: 0}}
   ].each do |data|
     it "parses #{data[:from]} to #{data[:to]}" do
-      expect(TTY::Link.parse_version(data[:from])).to eq(data[:to])
+      expect(described_class.parse_version(data[:from])).to eq(data[:to])
     end
   end
 end
diff --git a/spec/unit/support_link_spec.rb b/spec/unit/support_link_spec.rb
index 7e8b644..b390f16 100644
--- a/spec/unit/support_link_spec.rb
+++ b/spec/unit/support_link_spec.rb
@@ -4,61 +4,88 @@
   let(:output) { double(:output) }
 
   before {
+    allow(ENV).to receive(:[]).and_return(nil)
     allow(output).to receive(:tty?).and_return(true)
   }
 
-  it "doesn't print links to non tty device" do
-    allow(output).to receive(:tty?).and_return(false)
+  describe "non TTY device" do
+    it "doesn't support links" do
+      allow(output).to receive(:tty?).and_return(false)
 
-    expect(TTY::Link.support_link?(output: output)).to eq(false)
+      expect(described_class.support_link?(output: output)).to eq(false)
+    end
   end
 
-  it "supports links in iTerm" do
-    allow(ENV).to receive(:[]).with("TERM_PROGRAM").and_return("iTerm.app")
-    allow(ENV).to receive(:[]).with("TERM_PROGRAM_VERSION").and_return("3.3.1")
+  describe "iTerm" do
+    before {
+      allow(ENV).to receive(:[]).with("TERM_PROGRAM").and_return("iTerm.app")
+    }
 
-    expect(TTY::Link.support_link?(output: output)).to eq(true)
-  end
+    it "supports links above the 4.3.2 version" do
+      allow(ENV).to receive(:[]).with("TERM_PROGRAM_VERSION")
+                                .and_return("4.3.2")
 
-  it "support links in iTerm" do
-    allow(ENV).to receive(:[]).with("TERM_PROGRAM").and_return("iTerm.app")
-    allow(ENV).to receive(:[]).with("TERM_PROGRAM_VERSION").and_return("3.1.0")
+      expect(described_class.support_link?(output: output)).to eq(true)
+    end
 
-    expect(TTY::Link.support_link?(output: output)).to eq(true)
-  end
+    it "supports links above the 3.1.0 version" do
+      allow(ENV).to receive(:[]).with("TERM_PROGRAM_VERSION")
+                                .and_return("3.2.1")
 
-  it "doesn't support links in iTerm below 3.0.0" do
-    allow(ENV).to receive(:[]).with("TERM_PROGRAM").and_return("iTerm.app")
-    allow(ENV).to receive(:[]).with("TERM_PROGRAM_VERSION").and_return("3.0.0")
+      expect(described_class.support_link?(output: output)).to eq(true)
+    end
 
-    expect(TTY::Link.support_link?(output: output)).to eq(false)
-  end
+    it "supports links on the 3.1.0 version" do
+      allow(ENV).to receive(:[]).with("TERM_PROGRAM_VERSION")
+                                .and_return("3.1.0")
 
-  it "supports links in VTE terminal above 0.50.0" do
-    allow(ENV).to receive(:[]).with("TERM_PROGRAM").and_return("GNU")
-    allow(ENV).to receive(:[]).with("VTE_VERSION").and_return("0.50.1")
+      expect(described_class.support_link?(output: output)).to eq(true)
+    end
 
-    expect(TTY::Link.support_link?(output: output)).to eq(true)
-  end
+    it "doesn't support links on the 3.0.1 version" do
+      allow(ENV).to receive(:[]).with("TERM_PROGRAM_VERSION")
+                                .and_return("3.0.1")
+
+      expect(described_class.support_link?(output: output)).to eq(false)
+    end
 
-  it "supports links in VTE terminal above 0.51.0" do
-    allow(ENV).to receive(:[]).with("TERM_PROGRAM").and_return("GNU")
-    allow(ENV).to receive(:[]).with("VTE_VERSION").and_return("0.51.0")
+    it "doesn't support links below the 3.1.0 version" do
+      allow(ENV).to receive(:[]).with("TERM_PROGRAM_VERSION")
+                                .and_return("2.3.4")
 
-    expect(TTY::Link.support_link?(output: output)).to eq(true)
+      expect(described_class.support_link?(output: output)).to eq(false)
+    end
   end
 
-  it "supports links in VTE terminal above 1.0.0" do
-    allow(ENV).to receive(:[]).with("TERM_PROGRAM").and_return("GNU")
-    allow(ENV).to receive(:[]).with("VTE_VERSION").and_return("1.0.0")
+  describe "VTE" do
+    it "supports links above the 1.0.0 version" do
+      allow(ENV).to receive(:[]).with("VTE_VERSION").and_return("1.0.0")
 
-    expect(TTY::Link.support_link?(output: output)).to eq(true)
-  end
+      expect(described_class.support_link?(output: output)).to eq(true)
+    end
+
+    it "supports links above the 0.51.0 version" do
+      allow(ENV).to receive(:[]).with("VTE_VERSION").and_return("0.51.0")
+
+      expect(described_class.support_link?(output: output)).to eq(true)
+    end
+
+    it "supports links above the 0.50.1 version" do
+      allow(ENV).to receive(:[]).with("VTE_VERSION").and_return("0.50.1")
+
+      expect(described_class.support_link?(output: output)).to eq(true)
+    end
+
+    it "doesn't support links on the 0.50.0 version" do
+      allow(ENV).to receive(:[]).with("VTE_VERSION").and_return("0.50.0")
+
+      expect(described_class.support_link?(output: output)).to eq(false)
+    end
 
-  it "doesn't support links in VTE terminal below 0.50.0" do
-    allow(ENV).to receive(:[]).with("TERM_PROGRAM").and_return("GNU")
-    allow(ENV).to receive(:[]).with("VTE_VERSION").and_return("0.50.0")
+    it "doesn't support links below the 0.50.0 version" do
+      allow(ENV).to receive(:[]).with("VTE_VERSION").and_return("0.49.0")
 
-    expect(TTY::Link.support_link?(output: output)).to eq(false)
+      expect(described_class.support_link?(output: output)).to eq(false)
+    end
   end
 end